Sphygmomanometer



FIG. 1 is a front elevation of a sphygmomanometer showing our new design.

FIG. 2 is a side elevation thereof.

FIG. 3 is a rear elevation thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a bottom plan view thereof.

The side elevation obverse to that shown in FIG. 2 has not been shown for the reason that it would be the mirror image of the side shown in FIG. 2. 

The ornamental design for a sphygmomanometer, as shown and described. 